CD74HC109MT datasheet(2/12 Pages) TI

Part #	CD74HC109MT

Description	Dual J-K Flip-Flop with Set and Reset Positive-Edge Trigger

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Manufacturer	TI [Texas Instruments]

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Functional Diagram

Logic Diagram

TRUTH TABLE

INPUTS

OUTPUTS

S

RCP

J

KQ

Q

LH

X

H

L

H

L

XXX

L

H

L

X

H (Note 1)

H

↑

LLL

H

↑

H

L

Toggle

HH

↑

L

H

No Change

HH

↑

HHH

L

H

L

X

No Change

H= High Level (Steady State)

L= Low Level (Steady State)

X= Don’t Care

↑= Low-to-High Transition

NOTE:

1. Unpredictable and unstable condition if both S and R go high simultaneously

1S

2S

2R

5

11

6

7

1Q

15

1

1R

2K

13

12

10

9

2Q

2CP

F/F 1

F/F 2

GND = 8

VCC = 16

2J

14

1K

3

4

1CP

1J

2

S

J

K

CL

R

Q

6(10)

7(9)

Q

5(11)

S

2(14)

J

3(13)

K

4(12)

CP

1(15)

R

FF

VCC

GND

16

8

CD54HC109, CD74HC109, CD54HCT109, CD74HCT109

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Manufacturer	Part #	Datasheet	Description
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CD74HC109MT Datasheet(PDF) 2 Page - Texas Instruments

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